28277795

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3271}}^1$

素因数の和:3315

約数の個数: 32

約数和(自身を含む): 43975680

約数和(自身を除く): 15697885

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 3271, 8645, 16355, 22897, 42523, 62149, 114485, 212615, 297661, 310745, 435043, 807937, 1488305, 2175215, 4039685, 5655559, 28277795]

約数ペア:

[(1, 28277795), (5, 5655559), (7, 4039685), (13, 2175215), (19, 1488305), (35, 807937), (65, 435043), (91, 310745), (95, 297661), (133, 212615), (247, 114485), (455, 62149), (665, 42523), (1235, 22897), (1729, 16355), (3271, 8645)]